Find the area of the specified region.Inside the limacon r = 7 + 6 sin ?
A. 67?
B. 134? - 84
C. 134?
D. 67? + 84
Answer: A
Mathematics
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Solve the problem.Eloise contracts to work for 10 days, receiving 
the first day, 
the second day, 
the third day, and so on, with each day's pay triple that of the previous day. How much will she earn on the last day of the contract?
A. $196.83 B. $15.36 C. $590.49 D. $1771.47
Mathematics
Find all solutions of the equation in the complex number system.(x + 5)(x - 3i)(x + 3i) = 0
A. {-5} B. {-5i, 3i, -3i} C. {-5, 3, -3} D. {-5, 3i, -3i}
Mathematics
Solve the equation.
- 
= 
A. {2} B. {-1} C. {-8} D. {1}
Mathematics
Find the vertex for the parabola whose equation is given.y = x2 + 2
A. (2, 0) B. (0, 2) C. (0, -2) D. (-2, 0)
Mathematics